The operability of nsf-isr.org has been tested 4 times over the course of the 242 days that followed April 20, 2024. The checks conducted revealed nsf-isr.org worked 4 times overall, as evidenced by the 200 status on December 10, 2024. Offline periods were not observed for nsf-isr.org based on all checks made as of December 18, 2024. All responses obtained confirm that, as of December 18, 2024, there were no error statuses detected. Nsf-isr.org's reply time was 1.866 seconds on December 10, 2024, in contrast to an average of 1.874 seconds.